The influence of density of planting on quality of the flower in carnation plants grown in vinil houses was studied. Planting densities of 233,333, 176,000 and 116,667 plants per hectare were obtained by using planting spacings of 0.20m between rows and 0.15m, 0.20m and 0.30m between plants in the rows. Data on number of flowers with perfect calyx and on number of flowers with splitted calyx both per plant and per hectare were taken, as well as on flower plus flower stalk weight and on length and diameter of corola. As far as planting densities are concerned, there was an increase in production of flowers with perfect calyx per hectare and a decrease in production of flowers having splitted calyx per plant, flower plus flower stalk weight and corolla diameter as planting density increases. There was no influence of the planting density on the production of perfect calyx flower per plant, splitted calyx flower production per hectare and flower plus flower stalk length.

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LITERATURA CITADA

BUNT, A.C.; SHEARD, G.F., 1967. Observations on the effect of time of planting and plant density on the yield and flower quality of the carnation (Dianthus caryophyllus). Journal Horticultural Science 42: 263-275. [ Links ]

SHEARD, G.F.; BUNT, A.C., 1963. The effect of planting date and spacing on the yield of the carnation, with special reference to the economic aspects. Report of the Glasshouse Crops Research Institute, 1962 , Litllehampton: 133-137. [ Links ]